GHSA-hw46-3hmr-x9xv — omniauth-saml
Fix: omniauth/omniauth-saml@0d5eaa0GHSA-hw46-3hmr-x9xv is a security vulnerability in omniauth-saml. A fix is available for omniauth-saml — see the affected versions and patch details below.
omniauth-saml has dependency on ruby-saml version with Signature Wrapping Attack issue
Real-World Exposure
omniauth-saml💎omniauth-saml💎omniauth-samlReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects RubyGems packages — download data is not available via public APIs for these ecosystems.
Description
Summary
There are 2 new Critical Signature Wrapping Vulnerabilities (CVE-2025-25292, CVE-2025-25291) and a potential DDOS Moderated Vulneratiblity (CVE-2025-25293) affecting ruby-saml, a dependency of omniauth-saml.
The fix will be applied to ruby-saml and released 12 March 2025, under version 1.18.0.
Please upgrade the ruby-saml requirement to v1.18.0.
Impact
Signature Wrapping Vulnerabilities allows an attacker to impersonate a user.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 💎RubyGems | omniauth-saml | ≥ 2.2.0&&< 2.2.3 | 2.2.3bundle update omniauth-saml --conservative |
| 💎RubyGems | omniauth-saml | ≥ 2.0.0&&< 2.1.3 | 2.1.3bundle update omniauth-saml --conservative |
| 💎RubyGems | omniauth-saml | all versions | 1.10.6bundle update omniauth-saml --conservative |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for omniauth-saml, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update omniauth-saml to 2.2.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-hw46-3hmr-x9xv is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-hw46-3hmr-x9xv can be triaged on real exposure rather than presence alone.
Tailored to GHSA-hw46-3hmr-x9xv. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-hw46-3hmr-x9xv in your dependencies?
O3 Security finds GHSA-hw46-3hmr-x9xv across RubyGems dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.